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(11) | EP 1 061 170 A3 |
| (12) | EUROPEAN PATENT APPLICATION |
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| (54) | Cam for sewing machines, in particular for buttonhole machines |
| (57) A cam for sewing machines, in particular for chainstitch buttonhole sewing machines,
intended to control the transverse motion of the bed and comprising a cam holder carrying
at least three cam disks (1,2,3), with a part of the cam path of the bed transverse
motion provided on the periphery of each of them. The angular positions of at least
two of said cam disks (2,3) are adjustable. |